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EC-NAPROSYN vs NAPROXEN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Rating

New
72/100

Pharmacy pays

$0.06 /mL
$0.06 /mL

Type

RX
RX

Active ingredient

NAPROXEN
NAPROXEN

Dosage forms

Tablet, delayed release
Tablet

Drug class

Nonsteroidal Anti-Inflammatory Drug
Nonsteroidal Anti-Inflammatory Drug

Half-life

about 12 to 17 hours
about 12 to 17 hours

Treats

Juvenile Arthritis, Rheumatoid Arthritis, Back Pain
Juvenile Arthritis, Rheumatoid Arthritis, Back Pain

Frequently asked questions

Which is cheaper, Ec-Naprosyn or Naproxen?

Pharmacies pay about the same to acquire either one — roughly $0.06 per ml, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Ec-Naprosyn and Naproxen?

Both Ec-Naprosyn and Naproxen share the active ingredient Naproxen.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.